100 Largest ZIP Codes in the United States by Population in Alameda County, California

Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Alameda County, California.

Rank	ZIP Code	City	State	Population
1	94544	HAYWARD	CA	77,712
2	94536	FREMONT	CA	71,445
3	94568	DUBLIN	CA	71,068
4	94587	UNION CITY	CA	69,502
5	94541	HAYWARD	CA	67,401
6	94538	FREMONT	CA	66,215
7	94501	ALAMEDA	CA	63,340
8	94539	FREMONT	CA	53,464
9	94601	OAKLAND	CA	52,102
10	94550	LIVERMORE	CA	49,463
11	94577	SAN LEANDRO	CA	47,937
12	94560	NEWARK	CA	47,470
13	94546	CASTRO VALLEY	CA	45,761
14	94566	PLEASANTON	CA	45,145
15	94605	OAKLAND	CA	44,477
16	94578	SAN LEANDRO	CA	42,350
17	94551	LIVERMORE	CA	40,025
18	94611	OAKLAND	CA	39,780
19	94606	OAKLAND	CA	38,459
20	94555	FREMONT	CA	37,671
21	94603	OAKLAND	CA	37,042
22	94588	PLEASANTON	CA	35,162
23	94621	OAKLAND	CA	34,911
24	94608	EMERYVILLE	CA	34,083
25	94545	HAYWARD	CA	33,700
26	94610	OAKLAND	CA	32,404
27	94602	OAKLAND	CA	31,104
28	94580	SAN LORENZO	CA	29,377
29	94607	OAKLAND	CA	27,019
30	94619	OAKLAND	CA	27,018
31	94704	BERKELEY	CA	25,711
32	94609	OAKLAND	CA	25,175
33	94706	ALBANY	CA	20,860
34	94703	BERKELEY	CA	20,404
35	94579	SAN LEANDRO	CA	20,272
36	94612	OAKLAND	CA	17,742
37	94702	BERKELEY	CA	17,473
38	94618	OAKLAND	CA	17,285
39	94542	HAYWARD	CA	16,188
40	94552	CASTRO VALLEY	CA	14,948
41	94705	BERKELEY	CA	14,508
42	94502	ALAMEDA	CA	14,225
43	94707	BERKELEY	CA	12,596
44	94709	BERKELEY	CA	12,200
45	94708	BERKELEY	CA	11,810
46	94710	BERKELEY	CA	8,471
47	94720	BERKELEY	CA	5,322
48	94586	SUNOL	CA	964
49	94613	OAKLAND	CA	612